CHEM101 Lecture Notes - Lecture 10: Ionic Compound, Zinc Sulfide, Atomic Radius

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CHEM101 Full Course Notes
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CHEM101 Full Course Notes
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It is inefficient in packing due to the formation of the diamond-shaped empty space. The second layer of the particles is directly above the first. Not very many compounds crystallized in the simple cubic form. It is more efficient than the simple cubic. The second layer of particles fit into the void of the diamond-shaped empty space of the first layer. Please refer to supplementary lecture notes packing efficiency for calculations. It is the most efficient packing due to the closest packing structure with a triangular empty space. The particles in the second layer fit into the void of the triangular empty space. In crystalline solids, the particles (spheres) achieve the maximum attractive force by getting the closest contact with each other. The spheres are in close touch with each other. The spheres are placed on top of the triangular empty space of the first layer.

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